<div id="customer_sign_up">
  <div id="left">
    <h3><?php print t('Customer Signup') ?></h3>
    <?php print render($page['customer_sign_up_left']) ?>
    <div id="customer_sign_up_form">
      <?php print render(drupal_get_form('tvn_customer_register_form'));?>
    </div>
  </div>
  <div id="right">
    <?php
    /* Print custom block content */

    ?>
  </div>
</div>
<div class="clear"></div>